2007-2009 Yamaha F15/F20 Outboard Service Manual, Page 172Get this manual

2007-2009 Yamaha F15/F20 Outboard Service Manual, Page 172

Lower unit

2Install the Woodruff key and impeller to the drive shaftLT

S6AG6390

NOTE: When installing the impeller onto the drive shaft, align the groove in the impeller with the Woodruff key 33Install the insert cartridge and new O-ring into the pump housing